1 files changed, 1 insertions, 1 deletions
diff --git a/tests/Unit/ClassifierTest.php b/tests/Unit/ClassifierTest.php
index aba5c87..d26628c 100644
--- a/tests/Unit/ClassifierTest.php
+++ b/tests/Unit/ClassifierTest.php
@@ -45,7 +45,7 @@ class ClassifierTest extends TestCase
     /** @var Classifier */
     protected $classifier;
 
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();